text: According to Yen, "patient 4514" showed signs of the disease on May 17?
classes:  No, since May 17, Patient 4514 has shown signs of the disease and has gradually developed serious complications, with a high risk of death.  Also, since May 17, Patient 4514 has shown signs of the disease and has gradually developed serious complications, with a high risk of death.  Yes, since May 17, Patient 4514 has shown signs of the disease and has gradually developed serious complications, with a high risk of death.